Pre-Marketing: Market bubble biologySeptember 19, 2013: 7:09 AM ET
* Academia: Market bubbles are biological
* Killer app: Anon Q&A sites keep sparking suicides
* SEC punts: Do Demo Days constitute general solicitation?
* Lloyd Blankfein: Why we keep doing business with SAC Capital
* Philly fun: How far did Rocky really run?
* Eduardo Porter: America's sinking middle class
* Stephen Gandel: The Fed has lost all credibility
* Aswath Damodaran: Trying to price Twitter, rather than value it
* Valley combo: Stanford to offer joint CS/MBA program
* Charitable: Bain Capital donates $3 million to City Year
* Bruce Booth: 10 fundraising tips for biotech startups
* In memoriam: Ex-Amazon CFO Joy Covey dies in bike accident
* Taper meth: 8 parallels between Ben Bernanke and Walter White
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